2109723054 has 16 divisors (see below), whose sum is σ = 4333485648. Its totient is φ = 684234432.

The previous prime is 2109723043. The next prime is 2109723071. The reversal of 2109723054 is 4503279012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4751407 + ... + 4751850.

It is an arithmetic number, because the mean of its divisors is an integer number (270842853).

Almost surely, 2^2109723054 is an apocalyptic number.

2109723054 is an abundant number, since it is smaller than the sum of its proper divisors (2223762594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2109723054 is a wasteful number, since it uses less digits than its factorization.

2109723054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9503299.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2109723054 is about 45931.7216529056. The cubic root of 2109723054 is about 1282.5524940800.

The spelling of 2109723054 in words is "two billion, one hundred nine million, seven hundred twenty-three thousand, fifty-four".